Question 14 2.38 pts A researcher wants to test the hypothesis that the average number of miles that a 2010 Honda Civic can drive after its gas meter reads as empty is greater than 30. She collects data from a sample of 50 cars and finds a sample mean of 37. She assumes the standard deviation is 8 based on the literature about car manufacturing What is the test statistic (Z-score)? Q 4:55 0 199 @ 6.19 Q 2.86 Next